North Shore Gas is a natural gas utility that serves more than 150,000 customers in northern Chicago. It serves residential and business customers. The company provides strategic sourcing, material management and fleet services. North Shore Gas offers purchasing, category sourcing, contract administration, material forecasting and planning, warehousing and inventory management services. It also provides fleet asset, utilization and replacement management services. The company monitors and upgrades distribution systems and installs and reads meters in homes and business facilities. Established in 1850, North Shore Gas also calculates bills and processes customer payments, as well as responds to reports of gas leaks and other emergencies. The company offers a variety of energy-saving tools and ideas. It is owned and operated by Integrys Energy Group, which is a holding company that provides regulated energy delivery services in the United States and Canada.